91
4680C–4BMCU–01/05
ATAM893-D
10. AC Characteristics
Supply voltage V
DD = 1.8 to 6.5 V, VSS = 0 V, Tamb = 25°C unless otherwise specified.
Parameters
Test Conditions
Symbol
Min.
Typ.
Max.
Unit
Operation Cycle Time
System clock cycle
V
DD = 1.8 to 6.5 V
T
amb = -40 to 125° C
t
SYSCL
500
2000
ns
V
DD = 2.4 to 6.5 V
T
amb = -40 to 125° C
t
SYSCL
250
2000
ns
Timer 2 input Timing Pin T2I
Timer 2 input clock
f
T2I
5MHz
Timer 2 input LOW time
Rise/fall time < 10 ns
t
T2IL
100
ns
Timer 2 input HIGH time
Rise/fall time < 10 ns
t
T2IH
100
ns
Timer 3 Input Timing Pin T3I
Timer 3 input clock
f
T3I
SYSCL/2
MHz
Timer 3 input LOW time
Rise/fall time < 10 ns
t
T3IL
2 t
SYSCL
ns
Timer 3 input HIGH time
Rise/fall time < 10 ns
t
T3IH
2 t
SYSCL
ns
Interrupt Request Input Timing
Interrupt request LOW time
Rise/fall time < 10 ns
t
IRL
100
ns
Interrupt request HIGH time
Rise/fall time < 10 ns
t
IRH
100
ns
External System Clock
EXSCL at OSC1, ECM = EN
Rise/fall time < 10 ns
f
EXSCL
0.5
4
MHz
EXSCL at OSC1, ECM = DI
Rise/fall time < 10 ns
f
EXSCL
0.02
4
MHz
Input HIGH time
Rise/fall time < 10 ns
t
IH
0.1
s
Reset Timing
Power-on reset time
V
DD > VPOR
t
POR
1.5
5
ms
RC Oscillator 1
Frequency
f
RcOut1
3.8
MHz
Stability
V
DD = 2.0 to 6.5 V
Tamb = -40 to 125° C
f/f
±50
%
RC Oscillator 2 - External Resistor
Frequency
Rext = 180 k
fRcOut2
4MHz
Stability
VDD = 2.0 to 6.5 V
T
amb = -40 to 125° C
f/f
+15
-20
%
Stabilization time
t
S
10
s
4-MHz Crystal Oscillator (Operating Range V
DD = 2.2 V to 6.5 V)
Frequency
f
X
4MHz
Start-up time
t
SQ
5ms
Stability
f/f
-10
10
ppm
Integrated input/output capacitances
(configurable)
C
IN/COUT programmable
C
IN
C
OUT
0, 2, 5, 7, 10 or 12
pF